Power-aware workload balancing usig virtual machines

a workload balancing and workload technology, applied in the direction of liquid/fluent solid measurement, sustainable buildings, instruments, etc., can solve the problems of minimization, inability to perform and inability to achieve load balancing or load imbalancing. , to achieve the effect of reducing power consumption, facilitating load imbalancing, and eliminating workload from some resources

Inactive Publication Date: 2005-03-17
IBM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0008] The foregoing and other objectives are realized by the present invention wherein the locale-independence of virtual machine technology is employed to facilitate load imbalancing in support of power management. Arbitrary workloads are migrated as virtual machines from a larger number of resources

Problems solved by technology

However, the prior art approaches of load balancing and load imbalancing are currently only feasible for workloads that are relatively stateless and that consist of tasks that are of short duration.
Stateful workloads are those that possess a large amount of potentially unmigratable state tied to a given server or operating syste

Method used

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  • Power-aware workload balancing usig virtual machines
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  • Power-aware workload balancing usig virtual machines

Examples

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Embodiment Construction

[0014] Virtual Machine (hereinafter “VM”) technology can be combined with power management technology to reduce system power consumption. Virtual Machine technology gives each user or application the appearance of having sole control of all of the resources of a server system, while in fact allowing multiple users or applications to share a single physical resource without interfering with each other. VM technology can be implemented at the hardware level or at the software level, the implementations details of which do not affect the present invention. However implemented, VM technology abstracts the physical resources of a given server into one or more encapsulated, logically isolated operating system instances called virtual machines. To an application or user running within a VM, it seems as if the VM is running on a dedicated, stand-alone server. In effect, a single physical server is turned into multiple logical servers called virtual machines, which are completely isolated fr...

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Abstract

A system and method for utilizing the locale-independence of virtual machine technology is employed to facilitate load imbalancing in support of power management. Arbitrary stateless or stateful workloads are migrated as virtual machines from a larger number of resources to a smaller number of resources so as to eliminate workload from some resources. These latter resources can then be placed into a lower-power state to reduce power consumption. When workload rises again, some or all of the lower-powered resources can be powered-on, and workload can be reapplied to them.

Description

FIELD OF THE INVENTION [0001] This invention relates to a method for power-aware workload balancing using virtual machine technology. More specifically, the invention relates to a method for load balancing of state-maintaining or stateless applications by migration of virtual machines from one server resource to another followed by reducing the power consumption of any evacuated physical resources, with the objective of minimizing the total power consumption of the set of physical resources. BACKGROUND OF THE INVENTION [0002] In systems having multiple physical resources (i.e., computers) capable of performing work, it is often desirable to migrate work from one resource to another to achieve load balancing and uniform resource utilization. In general, the objective of such techniques is to spread the workload out equally across the multiple resources. Load balancing for such systems has a long history, with a very large related technical literature. Recent contributions to adaptive...

Claims

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Application Information

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IPC IPC(8): G06F1/32
CPCY02B60/167G06F9/5077G06F9/5088G06F1/3287Y02B60/142G06F1/329G06F9/5094Y02B60/1278G06F1/3203Y02B60/162Y02B60/144Y02B60/1282Y02D10/00
Inventor BRADLEY, DAVIDHARPER, RICHARD E.HUNTER, STEVEN WADE
Owner IBM CORP
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